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Posted 17 days ago

OT Systems/Applications Design

@ Celestica International LP

Newmarket, Ontario

5+ years experience
Apply now
SIGNALS

Overview

Celestica International LP is hiring an OT Systems/Applications Design engineer in Newmarket, Ontario, to act as the site Operational Technology lead. The role designs, integrates and manages factory-floor systems over their life cycles, owns site OT security, and maintains high-integrity storage and disaster recovery. The posting requires 5 to 7 years of related experience and a bachelor degree or equivalent, with work done in a normal office environment.

Responsibilities:

  • Design, integrate and manage site OT systems over their life cycles
  • Secure and modernize factory-floor OT assets and address zero-day vulnerabilities
  • Develop and maintain applications integrating production equipment with shop floor control
  • Maintain high-integrity storage and disaster recovery systems for production equipment
  • Lead technical projects and coordinate engineering teams

Requirements summary:

  • 5 to 7 years of related experience
  • Bachelor degree or equivalent combination of education and experience
  • Strong programming skills in Java, PHP, HTML and SQL
  • Deep infrastructure knowledge; Linux and IT hardware an asset
  • Canadian citizen or permanent resident meeting Controlled Goods Program requirements

Tools & skills

Source and dates

Employer career site / ATS feed · successfactors

Employer posting date
2026-10-20
First seen by our source
2026-10-21
Source record updated
2026-10-31

These dates describe the source record, not a live verification that the employer is still hiring. Check the original posting.

Job details

SeniorityMid level
DepartmentEngineering
Experience5+ years
Hours per week40 (estimated)
Travelair: minimal · ground: minimal
Work settingOffice, Plant or factory
PositionMostly sitting
Physical demandsphysical low · computer high
LanguagesEnglish
EducationBachelor’s degree (required)
Security clearanceOther clearance

Summary and details written by AI from the posting; the employer’s posting is the authority.

Celestica International LP

Saved company profile

Historical company information from a saved The Jobs API profile (LinkedIn/Crunchbase fields). It is not live-verified; figures may have changed. Missing values remain unknown.

We partner with leading brands to solve their toughest challenges – and together accelerate market advancements.

Full company description

Celestica is a global technology and innovation partner driven by curiosity and conviction. As a pioneer in technology, we enable critical data center infrastructure for the world's leading hyperscalers, powering AI, cloud, and hybrid cloud at an unprecedented scale. Our work advances high-growth markets from aerospace to healthcare to enterprise, delivering technology that drives real-world innovation. With unwavering dedication to both our customers and colleagues, we empower transformative growth with every solution we deliver. Together, we make great things happen—and move the world forward.

LinkedIn followers
319,217
People associated on LinkedIn
15,528
Reported office locations
  • 5140 Yonge St, 1900, Toronto, Ontario M2N 6L7, CA
  • 5325 Hellyer Ave, San Jose, CA 95138, US
  • 3333 Unity Dr, Suite A, Mississauga, Ontario L5L 4A4, CA
  • 5201 Great America Pkwy, Santa Clara, California 95054, US
  • Calle Octava, Parque Industrial Monterrey, #102, Apodaca, Nuevo Leon 66600, MX
  • Circuito Internacional Norte, Parque Industrial Nelson, #14-S, Mexicali, Baja California 21395, MX
  • 11060 N Oracle Rd, Tucson, Arizona, US
  • 29235 Milmont Dr, Fremont, California 94538, US
  • 18870 NE Riverside Pkwy, Portland, Oregon 97230, US
  • 3605 Highway 52 N, Rochester, Minnesota 55901, US
  • 5325 Hellyer Ave, San Jose, California, US
  • 8620 Congdon Hill Drive, Alburtis, PA 18011, US
  • 10 Mupac Dr, Brockton, Massachusetts 02301, US
  • 9210 Science Center Dr, New Hope, Minnesota, US
  • Parkmore Rd, Parkmore Business Park,, Galway, Galway ------, IE
  • 88 Sos. Borsului, Bors, Bihor -----, RO
  • Carretera Valencia-Ademuz km 17,6,, Valencia, La Pobla de Vallbona 46185, ES
  • Laem Chabang Industrial Estate, Tungsukla, 49/18 Moo 5,, Sriracha, Chonburi 20230, TH
  • Northern Area, Songshan Lake Science and Technology Industrial Park, Dongguan City, Guangdong 523808, CN
  • Su Hong Middle Road, Suzhou Industrial Park, No. 448, Suzhou, Jiangsu 215021, CN
  • C314 Zhongxin Building, No. 18 Zhanye Road,, Suzhou, Jiangsu 215021, CN
  • Goldlion Holding Center, 13-15 Yuen Shun Circuit, Siu Lek Yuen, 4/F, Shatin, Hong Kong -------, HK
  • A701-801 Building 1, Zhang Jiang Riverfront Harbor, 3000 Long Dong Ave, Pudong, Shanghai, Shanghai 201203, CN
  • Aza-Raijin Yoshioka Taiwa-cho Kurokawa-gun,, 2, Miyagi, Miyagi 981-3681, JP
  • Parque Industrial Monterrey, Apodaca, NL 66603, MX
Business categories
  • Electronics
  • Supply Chain Management
  • Product Design
  • Manufacturing
Other recorded names
  • Celestica International LP
  • Celestica International Inc.
  • Celestica
Specialties
  • Hardware Platform Solutions
  • Data centers
  • AI
  • AI Infrastructure
  • Enterprise and Cloud Solutions
  • Rack Integration
  • ITAM
  • ITAD
  • Circular Services
  • Aerospace
  • Power Infrastructure
  • Engineering
  • VAVE
  • Medical Devices
  • Supply Chain
  • Capital Equipment
  • Industrial
  • and HealthTech
Profile identifies a recruitment agency
No
Reported total investment
1,466,865,419

Currency and observation date were not supplied; this is not a current valuation or a funding round.

Celestica is a global technology and innovation partner driven by curiosity and conviction. As a pioneer in technology, we enable critical data center infrastructure for the world's leading hyperscalers, powering AI, cloud, and hybrid cloud at an unprecedented scale. Our work advances high-growth markets from aerospace to healthcare to enterprise, delivering technology that drives real-world innovation. With…

FieldValue
IndustryTechnology, Information and Internet
Company size10,001+ employees
HeadquartersToronto, Ontario
Organization typePublic Company
Year founded1994
SpecialtiesHardware Platform SolutionsData centersAI AI InfrastructureEnterprise and Cloud SolutionsRack Integration ITAMITADCircular ServicesAerospace
Open jobs on Jobsy75
LinkedInView page
Job description

​Req ID: 141715
Remote Position: No
Region: Americas
Country: Canada
State/Province: Ontario
City: Newmarket

General Overview

Functional Area: Engineering
Career Stream: Design Engineering Systems Applications
SAP Short Name: LEN-ENG-DSA
Job Level: Level 08
IC/MGR: Individual Contributor
Direct/Indirect Indicator: Indirect

Summary

Systems & Applications Design is an interdisciplinary field of engineering that works with cross functional teams of other engineers, customers, supply chain and project leadership to ensure robust and high quality product development.

The Lead Engineer, Systems/Applications is the Site Operational Technology (OT) lead that designs, integrates, and manages complex systems over their life cycles. They are engineering leads engaged in issues such as requirements engineering, reliability, logistics, coordination of different teams, testing and evaluation, maintainability and many other disciplines necessary for successful system design, development, implementation, and ultimate decommission. Enhance designs with feedback from reviews in areas such as manufacturing, test, supply chain, reliability, industrial design and simulations.

Detailed Description

Performs tasks such as, but not limited to, the following:

  • Act as the critical bridge between corporate IT compliance and factory-floor Operations Technology (OT), directly securing, modernizing, and maintaining high-value industrial assets while ensuring business continuity.
  • Responsible for developing and maintaining applications that integrate production equipment with the shop floor control system.
  • Site OT Security lead ensuring zero-day vulnerabilities are addressed with no impact to production.
  • Building new software solutions from scratch and maintaining legacy applications to keep manufacturing operations agile and responsive to shifting business needs.

  • Maintaing High-Integrity Storage & Disaster Recovery systems for production equipment with familarity with Zettabyte File System (ZFS).
  • Design, develop and implement technical solutions in two or more technical areas. Lead smaller projects and may coordinate with other engineers including reviews of their work.
  • Review and interpret customer documentation, conduct appropriate research, analysis and experiments with minimal direction from senior staff.
  • Create technical proposals (solution and timelines) based on requirements.
  • Research systems ideas and draw up plans for these systems
  • Design, modify and implement systems that meet customer and Celestica needs. E.g. Architecture of solution: Divide up tasks for various engineering teams to execute taking into consideration requirements engineering, reliability, logistics, coordination of different teams, testing and evaluation, maintainability and many other disciplines necessary for successful system design and field support.
  • Test, simulate and measure (including troubleshooting) the performance of systems
  • Keep up to date with relevant industry knowledge and regulations
  • Solve complex problems
  • Liaison with suppliers, customers, contractors, and other internal teams.
  • Analyze and interpret data and information
  • Recommend system modifications
  • Create reports and documentation

Knowledge/Skills/Competencies

The ideal candidate is an autonomous, high-initiative engineer who pairs deep infrastructure knowledge with robust programming skills in Java, PHP, HTML, and SQL.

IT hardware skills and knowledge of Linux Operating systems is a definite asset.

Physical Demands

  • Duties of this position are performed in a normal office environment.
  • Duties may require extended periods of sitting and sustained visual concentration on a computer monitor or on numbers and other detailed data.
  • Repetitive manual movements (e.g., data entry, using a computer mouse, using a calculator, etc.) are frequently required.
  • Occasional travel may be required.

Typical Experience

  • 5 to 7 years of related experience; Experience in similar job roles

Typical Education

Bachelor degree or consideration of an equivalent combination of education and experience.

Educational Requirements may vary by Geography

Notes

This job description is not intended to be an exhaustive list of all duties and responsibilities of the position. Employees are held accountable for all duties of the job. Job duties and the % of time identified for any function are subject to change at any time.

Celestica is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, pregnancy, genetic information, disability, status as a protected veteran, or any other protected category under applicable federal, state, and local laws.
At Celestica we are committed to fostering an inclusive, accessible environment, where all employees and customers feel valued, respected and supported. Accommodations are available upon request for candidates throughout the hiring process. If you require an accommodation, we will work with you to meet your needs.

This position involves technologies regulated by the Canadian government's Controlled Goods Program (CGP). Candidates must be Canadian citizens or permanent residents of Canada and meet all other requirements under CGP. Job offers will be conditional upon candidates undergoing a successful security screening per the Controlled Goods Regulations.

COMPANY OVERVIEW:

Celestica, Inc. (NYSE: CLS; TSX: CLS) is a technology leader dedicated to driving customer success and market advancements. With deep expertise in design, engineering, manufacturing, supply chain, and platform solutions, Celestica enables critical data center infrastructure for AI, cloud, and hybrid cloud and advances technologies in high-growth markets. With a talented team and a strategic global network, Celestica helps its customers achieve competitive advantages.

Today, Celestica delivers innovative supply chain solutions globally to customers in strategic two operating and reporting segments: Advanced Technology Solutions (ATS) and Connectivity and Cloud Solutions (CC):

ATS: This segment serves customers in complex, regulated and high-reliability markets such as Industrial & Smart Energy, Aerospace & Defense, Semiconductor Capital Equipment, and HealthTech. It is engineering led, with deep expertise in design, manufacturing and lifecycle solutions.

CCS: This segment focuses on high-performance technology solutions and services for the data center, serving hyperscalers, digital native customers and enterprises. Celestica's Platform Solutions offering provides innovative and customizable computing, storage and networking solutions enabling AI-driven growth.

Built on a legacy of trust and performance, Celestica has earned its reputation by delivering results in complex and fast-changing markets. Celestica exceeds customer expectations by identifying trends and staying ahead of the curve. Backed by comprehensive capabilities and a global network across North America, Europe and Asia, Celestica helps customers gain competitive advantage with the quality, flexibility and resiliency they need to respond quickly to shifts in demand. Guided by a bold vision to accelerate market advancements, Celestica delivers innovative solutions and technologies that turn complexity into opportunity. Anchored in teamwork and commitment, Celestica strives to be the most trusted partner to its customers and colleagues worldwide.

We use artificial intelligence tools to assist in screening and assessing applications for this role. All hiring decisions involve human review.

This posting is for an existing vacancy.

Celestica would like to thank all applicants, however, only qualified applicants will be contacted.
Celestica does not accept unsolicited resumes from recruitment agencies or fee based recruitment services.

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